This method will be used by the follow-up change. This useful if we want
to go over all the changes after a specific ref.
For example, the new method allows us to create a follow-up that would
go over all the refs until we reach a specific ref (e.g refs/changes/),
and then we use seekPastPrefix(refs/changes/) to read the rest of the refs,
thus basically we return all refs except a specific prefix.
When seeking past a prefix, the previous condition that created the
RefCursor still applies. E.g, if the cursor was created by
seekRefsWithPrefix, we can skip some refs but we will not return refs
that are not starting with this prefix.
Signed-off-by: Gal Paikin <paiking@google.com>
Change-Id: I2c02e89c877fe90da8619cb8a4a9a0c865f238ef
In some circumstances (eg. compacting a stack that has deletions), the
result may have a {min, max} range that already exists. In these
cases, we would rename onto an already existing file, which does not
work on Windows. By adding a random suffix, we disambiguate the files,
and avoid this failure scenario.
Change-Id: I0273f99bb845cfbdbd8cdd582b55d3c310505d29
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Heap always copied whole blocks, which leads to AIOOBEs. LocalFile
didn't overwrite the method and thus caused NPEs.
Change-Id: Ia37d4a875df9f25d4825e6bc95fed7f0dff42afb
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
Correct the minimum required version of Apache httpclient
org.eclipse.jgit.http.apache uses several features that exist only
since httpclient 4.4, but its MANIFEST.MF still had a lower bound of
4.3.0. Bump this to 4.4.0 for all packages from httpclient. 4.3.0 for
the packages from httpcore is fine.
Do a similar clean-up in the other bundles using packages from Apache
httpclient (http.test, lfs, lfs.server, lfs.server.test)
Bug: 570451
Change-Id: Iffdde2a9bd0d65db2e5201a08cffbf03597e2866
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
pgm: add missing dependency to org.apache.commons.logging
Without this dependency I get class loading exceptions when trying to
run org.eclipse.jgit.pgm.Clone in Eclipse.
Change-Id: Ia9ecb385d3baccbcd041114287af5076fefd3d71
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
TransportHttp: support preemptive Basic authentication
If the caller knows already HTTP Basic authentication will be needed
and if it also already has the username and password, preemptive
authentication is a little bit more efficient since it avoids the
initial 401 response.
Add a setPreemptiveBasicAuthentication(username, password) method
to TransportHttp. Client code could call this for instance in a
TransportConfigCallback. The method throws an IllegalStateException
if it is called after an HTTP request has already been made.
Additionally, a URI can include userinfo. Although it is not
recommended to put passwords in URIs, JGit's URIish and also the
Java URL and URI classes still allow it. The underlying HTTP
connection may omit these fields though. If present, take these
fields as additional source for preemptive Basic authentication if
setPreemptiveBasicAuthentication() has not been called.
No preemptive authentication will be done if the connection is
redirected to a different host.
Add tests.
Bug: 541327
Change-Id: Id00b975e56a15b532de96f7bbce48106d992a22b
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
TransportHttp: shared SSLContext during fetch or push
TransportHttp makes several HTTP requests. The SSLContext and socket
factory must be shared over these requests, otherwise authentication
information may not be propagated correctly from one request to the
next. This is important for authentication mechanisms that rely on
client-side state, like NEGOTIATE (either NTLM, if the underlying HTTP
library supports it, or Kerberos). In particular, SPNEGO cannot
authenticate on a POST request; the authentication must come from the
initial GET request, which implies that the POST request must use the
same SSLContext and socket factory that was used for the GET.
Change the way HTTPS connections are configured. Introduce the concept
of a GitSession, which is a client-side HTTP session over several HTTPS
requests. TransportHttp creates such a session and uses it to configure
all HTTP requests during that session (fetch or push). This gives a way
to abstract away the differences between JDK and Apache HTTP connections
and to configure SSL setup outside.
A GitSession can maintain state and thus give all HTTP requests in a
session the same socket factory.
Introduce an extension interface HttpConnectionFactory2 that adds a
method to obtain a new GitSession. Implement this for both existing
HTTP connection factories. Change TransportHttp to use the new
GitSession to configure HTTP connections.
The old methods for disabling SSL verification still exist to support
possibly external connection and connection factory implementations
that do not make use of the new GitSession yet.
Bug: 535850
Change-Id: Iedf67464e4e353c1883447c13c86b5a838e678f1
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
TransportHttp: make the connection factory configurable
Previously, TransportHttp always used the globally set connection
factory. This is problematic if that global factory is changed in
the middle of a fetch or push operation. Initialize the factory to
use in the constructor, then use that factory for all HTTP requests
made through this transport. Provide a setter and a getter for it
so that client code can customize the factory, if needed, in a
TransportConfigCallback.
Once a factory has been used on a TransportHttp instance it cannot
be changed anymore.
Make the global static factory reference volatile.
Change-Id: I7c6ee16680407d3724e901c426db174a3125ba1c
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
Protocol V2: don't log spurious ACKs in UploadPack
UploadPack may log ACKs in protocol V2 that it doesn't send (if it
got a "done" from the client), or may log ACKs twice. That makes
packet log analysis difficult.
Add a new constructor to PacketLineOut to omit all logging from an
instance, and use it in UploadPack.
Change-Id: Ic29ef5f9a05cbcf5f4858a4e1b206ef0e6421c65
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
This fixes errorprone error [SynchronizeOnNonFinalField]: Synchronizing
on non-final fields is not safe: if the field is ever updated, different
threads may end up locking on different objects.
Change-Id: I42fe5bde825151693e2da2d5b6cd6e1d34038dbc
[spotbugs]: Fix potential NPE in FileSnapshot constructor
File#getParent can return null which caused this spotbugs warning.
FS.FileStoreAttributes#get already gets the parent directory if the
passed File is not a directory and checks for null. Hence there is no
need to get the parent directory in the FileSnapshot constructor.
Change-Id: I77f71503cffb05970ab8d9ba55b69c96c53098b9
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
FileSnapshot: don't try to read file attributes twice
If file doesn't exist set state to MISSING_FILE immediately. Doing that
by calling File#lastModified and File#length effectively does the same
since they set the value to 0 if the file doesn't exist.
Log an error if a different exception than NoSuchFileException is
caught.
Change-Id: I0d4396b9f80446692a088d17522d64f735ce6708
Make all transports request protocol V2 when fetching. Depending on
the transport, set the GIT_PROTOCOL environment variable (file and
ssh), pass the Git-Protocol header (http), or set the hidden
"\0version=2\0" (git anon). We'll fall back to V0 if the server
doesn't reply with a version 2 answer.
A user can control which protocol the client requests via the git
config protocol.version; if not set, JGit requests protocol V2 for
fetching. Pushing always uses protocol V0 still.
In the API, there is only a new Transport.openFetch() version that
takes a collection of RefSpecs plus additional patterns to construct
the Ref prefixes for the "ls-refs" command in protocol V2. If none
are given, the server will still advertise all refs, even in protocol
V2.
BasePackConnection.readAdvertisedRefs() handles falling back to
protocol V0. It newly returns true if V0 was used and the advertised
refs were read, and false if V2 is used and an explicit "ls-refs" is
needed. (This can't be done transparently inside readAdvertisedRefs()
because a "stateless RPC" transport like TransportHttp may need to
open a new connection for writing.)
BasePackFetchConnection implements the changes needed for the protocol
V2 "fetch" command (stateless protocol, simplified ACK handling,
delimiters, section headers).
In TransportHttp, change readSmartHeaders() to also recognize the
"version 2" packet line as a valid smart server indication.
Adapt tests, and run all the HTTP tests not only with both HTTP
connection factories (JDK and Apache HttpClient) but also with both
protocol V0 and V2. The SSH tests are much slower and much more
focused on the SSH protocol and SSH key handling. Factor out two
very simple cloning and pulling tests and make those run with
protocol V2.
Bug: 553083
Change-Id: I357c7f5daa7efb2872f1c64ee6f6d54229031ae1
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
Use Map interface instead of ConcurrentHashMap class
On Android, the co-variant override of ConcurrentHashMap.keySet()
introduced in Java 8 was undone. [1] If compiled Java code calls that
co-variant override directly, one gets a NoSuchMethodError exception
at run-time on Android.
Making the code call that method via Map.keySet() side-steps this
problem.
This is similar to bug 496262, where the same problem cropped up when
compiling with Java 8 against a Java 7 target, but here we cannot use
bootclasspath. We build against Java 8, not against the Android version
of it.
Recent Android versions should have some bytecode "magic" that adds the
co-variant override in bytecode (see the commit referenced in [1]), but
on older Android version this problem may still occur. (Or perhaps the
"magic" is ineffective...) There are two pull requests on Github for
this problem, both from 2020, [2][3] while the Android commit [1] is
from March 2018. Apparently people still occasionally run into this
problem in the wild.
[1] 0e8b937ded/ojluni/src/main/java/java/util/concurrent/ConcurrentHashMap.java (1244)
[2] https://github.com/eclipse/jgit/pull/104
[3] https://github.com/eclipse/jgit/pull/100
Change-Id: I7c07e0cc59871cb7fe60795e22867827fa9c2458
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
If a file exists in head, merge, and the working tree, but not in
the index, and we're doing a force checkout, the checkout must be
an "update", not a "keep".
This is a follow-up on If3a9b9e60064459d187c7db04eb4471a72c6cece.
Bug: 569962
Change-Id: I59a7ac41898ddc1dd90e86b09b621a41fdf45667
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
Do not export the test-only package org.eclipse.jgit.transport from
bundle org.eclipse.jgit.ssh.jsch.test. Doing so can confuse the build
in Eclipse: other bundles that import this package may then also pick
up this test package, leading to non-test sources depending on test
sources and to build cycles.
Change-Id: I9f73b7a8d13bc4a2fe58bd2f1d33068164a13991
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
Upgrade wagon-ssh to 3.4.2; align maven-site-plugin
Upgrade wagon-ssh to 3.4.2 in all pom files, thus align
maven-site-plugin versions to 3.9.1 across as well, consistently.
Change-Id: I38f7a6ded3517d1b116169dee1c12deb86eed3a1
Signed-off-by: Marco Miller <marco.miller@ericsson.com>
[spotbugs] Fix incorrect lazy initialization in SystemReader
This fixes two warnings of type LI_LAZY_INIT_STATIC.
Change-Id: I26a7a48aed9d0a0547e908a56b7014a7620fadd8
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
[spotbugs] Don't use class from java.util.concurrent for locking
Use a dedicated Lock object to lock the scheduler in
RepositoryCache#configureEviction to fix spotbugs warning
JLM_JSR166_UTILCONCURRENT_MONITORENTER.
Change-Id: I003dcf0ed1a0a3f4eea5d8a2f51a07473d28a928
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
[spotbugs] Fix potential NPE in OpenSshServerKeyDatabase
If oldLine is null #updateModifiedServerKey shouldn't be called since it
would derefence it. Spotbugs raised this as problem
RCN_REDUNDANT_NULLCHECK_WOULD_HAVE_BEEN_A_NPE. Fix it by checking if
oldLine is null before calling #updateModifiedServerKey.
Change-Id: I8a2000492986e52ce7dbe25f48b321c05fd371e4
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
[spotbugs] Fix potential NPE in FS.FileStoreAttributes#get
Path#getParent can return null, return fallback filestore attributes in
that case.
Change-Id: Ic09484d527bc87b27964b625e07373b82412f2da
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
[spotbugs] Silence CN_IMPLEMENTS_CLONE_BUT_NOT_CLONEABLE in jgit tests
We want complete control over clone behavior and don't want to use
Object's clone implementation.
Change-Id: I34a4e967f8aa3879c69a4978768bd35712c4105c
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
[spotbugs] Silence NP_BOOLEAN_RETURN_NULL in FakeUserAuthGSS#doAuth
Also mark the return value @Nullable to enable null analysis in Eclipse.
Change-Id: Ib954b231d743da6ea122adb2cc4880b5f99824cc
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
[spotbugs] Fix FileReftableStack#equals to check for null
This fixes spotbugs warning NP_EQUALS_SHOULD_HANDLE_NULL_ARGUMENT.
This implementation violated the contract defined by
java.lang.Object.equals() because it did not check for null being passed
as the argument. All equals() methods should return false if passed a
null value.
Change-Id: I607f6979613d390aae2f3546b587f63133d6d73c
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
[spotbugs] FileReftableDatabase: extract lock to local variable
This fixes UL_UNRELEASED_LOCK_EXCEPTION_PATH raised by spotbugs in
#compactFully.
Change-Id: I370578ad9a027c5c9709d60a1dfafdac0cfca908
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
Gal Paikin
Han-Wen Nienhuys
Thomas Wolf
Matthias Sohn
Marco Miller
Christian Halstrick
David Ostrovsky